Income Redistribution: Basic Fairness or 'Class Warfare?'

The Obama budget and tax plan would shift America's wealth from the top
down. Is it time to close the gap between rich and poor or would
increased taxes stifle growth by removing incentives for the wealthy to
keep on working? Are there other causes of income inequality? Also, as promised, Obama's turnaround on stem-cell research. On Reporter's Notebook, are the days of giving defense contractors a blank check really over?